myisam/ft_* bugfix

myisam/ft_search.c:
  small bugfix
myisam/ft_eval.c:
  HA_KEY_NOT_FOUND => HA_END_OF_FILE
myisam/ft_test1.c:
  HA_KEY_NOT_FOUND => HA_END_OF_FILE

myisam/ft_eval.c

@@ -96,7 +96,7 @@ int main(int argc,char *argv[])
       w=ft_get_relevance(result);
       printf("%d %.*s %f\n",i,t,read_record+2,w);
     }
-    if(err != HA_ERR_KEY_NOT_FOUND) {
+    if(err != HA_ERR_END_OF_FILE) {
       printf("ft_read_next %d failed with errno %3d\n",j,my_errno);
       goto err;
     }

myisam/ft_search.c

@@ -210,7 +210,10 @@ int ft_read_next(FT_DOCLIST *handler, char *record)
   MI_INFO *info=handler->info;
 
   if (++handler->curdoc >= handler->ndocs)
+  {
+    --handler->curdoc;
     return HA_ERR_END_OF_FILE;
+  }
 
   info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
 

myisam/ft_test1.c

@@ -147,7 +147,7 @@ static int run_test(const char *filename)
 	    i,query[i],result->ndocs);
     for(j=0;j<5;j++) { double w; int err;
 	err=ft_read_next(result, read_record);
-	if(err==HA_ERR_KEY_NOT_FOUND) {
+	if(err==HA_ERR_END_OF_FILE) {
 	    printf("No more matches!\n");
 	    break;
 	} else if (err) {